CN214837352U

CN214837352U - Fan blade

Info

Publication number: CN214837352U
Application number: CN202120332190.2U
Authority: CN
Inventors: 尹志朋
Original assignee: Dezhou Longda Air Conditioning Equipment Co ltd
Current assignee: Dezhou Longda Air Conditioning Equipment Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-11-23
Anticipated expiration: 2031-02-05

Abstract

The fan blade comprises a supporting rotating shaft, a blade I, a blade II and a blade III, and is characterized in that the supporting rotating shaft is divided into a front part and a rear part, the rear supporting rotating shaft is a cone, the front supporting rotating shaft is a cylinder, the blade I and the blade II are circumferentially distributed and arranged on the surface of the cone at the rear end of the supporting rotating shaft, the blade III is circumferentially distributed and arranged on the surface of the cylinder at the front end of the supporting rotating shaft, the blade interfaces of the blade I, the blade II and the blade III are in a bent water drop shape, the blade I, the blade II and the blade III are hollow, reinforcing ribs are arranged in the hollow part, the scheme enables wind in the fan to be a rotating force through the rotation of small blades on an inclined plane and large blades on a cylindrical surface, the wind output of the wind can be increased through the pushing of the large blades in the rotating process, the impact force of the wind on the blades can be reduced, and the function loss of a fan motor can be reduced, the blade is in the shape of water drops, and the resistance of cutting wind is small.

Description

Fan blade

Technical Field

The utility model relates to a relevant technical field of part for the fan, concretely relates to fan blade.

Background

Traditional fan blade is the blade component of individual layer, but the single-blade rotates produced wind-force limited and the loss of power consumption is great, and the wind-force line is single line to the blade, and wind-force is great to the impact of blade, and the time of having a specified duration will cause certain damage to the blade, and the fan blade all is the square body blade of removing the face nature moreover, and the resistance of cutting the wind streamline is great.

Disclosure of Invention

The utility model provides a fan blade for solve the technical problem who appears in the above-mentioned background art.

The fan blade comprises a supporting rotating shaft, a blade I, a blade II and a blade III, and is characterized in that the supporting rotating shaft is divided into a front part and a rear part, the rear end supporting rotating shaft is a cone, the front end supporting rotating shaft is a cylinder, the blade I and the blade II are circumferentially distributed and arranged on the surface of the cone at the rear end of the supporting rotating shaft, the blade III is circumferentially distributed and arranged on the surface of the cylinder at the front end of the supporting rotating shaft, blade interfaces of the blade I, the blade II and the blade III are in a bent water-drop shape, the interiors of the blade I, the blade II and the blade III are hollow, and reinforcing ribs are arranged at the hollow positions.

Preferably, the fan blade is characterized in that the area of the blade of the fan blade I is smaller than that of the blade of the fan blade II, and the area of the blade of the fan blade II is smaller than that of the blade of the fan blade III.

Preferably, the fan blade is characterized in that the transverse widths of the fan blade I, the fan blade II and the fan blade III are consistent.

Preferably, the fan blade is characterized in that the positions of the fan blade I, the fan blade II and the fan blade III are arranged in a staggered mode.

Preferably, the fan blade is characterized in that the reinforcing ribs of the fan blade I, the fan blade II and the fan blade III are arranged transversely and longitudinally, the transverse reinforcing ribs are longitudinally arranged inside the fan blade I, the fan blade II and the fan blade III, and the longitudinal reinforcing ribs penetrate through the middle parts of the transverse reinforcing ribs.

Preferably, the fan blade is characterized in that a fixing clamp of a motor rotation shaft is arranged in the middle of the inside of the supporting rotation shaft.

Has the advantages that: this scheme makes the wind in the fan be a revolving force through the rotation of the little blade on the inclined plane and the big blade on the face of cylinder, and the air output that can increase wind through the promotion of big blade in rotatory process to can reduce the impact force of wind to the blade, reduce the functional loss of fan motor, the resistance that the blade was water droplet form cutting wind is less.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a partial perspective view of the utility model;

FIG. 4 is a diagram showing the inside of a fan blade I, a fan blade II and a fan blade III;

in the figure: the fan blade support comprises a support rotating shaft 1, a fan blade I2, a fan blade II 3, a fan blade III 4, reinforcing ribs 5 and a fixing clamp 6.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, which are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may for example be fixedly connected, bolted, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be connected through an intermediate medium.

The fan blade shown in fig. 1-4 comprises a supporting rotating shaft 1, a blade i 2, a blade ii 3 and a blade iii 4, and is characterized in that the supporting rotating shaft 1 is divided into a front part and a rear part, the rear supporting rotating shaft 1 is a cone, the front supporting rotating shaft 1 is a cylinder, the blade i 2 and the blade ii 3 are circumferentially distributed and arranged on the surface of the cone at the rear end of the supporting rotating shaft 1, the blade iii 4 is circumferentially distributed and arranged on the surface of the cylinder at the front end of the supporting rotating shaft 1, blade interfaces of the blade i 2, the blade ii 3 and the blade iii 4 are in a curved water droplet shape, the interiors of the blade i 2, the blade ii 3 and the blade iii 4 are hollow, and reinforcing ribs 5 are arranged in the hollow positions.

Further, the area of the blade of the fan blade I2 is smaller than that of the blade of the fan blade II 3, and the area of the blade of the fan blade II 3 is smaller than that of the blade of the fan blade III 4.

Further, the transverse widths of the fan blades I2, II 3 and III 4 are consistent.

Furthermore, the positions of the fan blade I2, the fan blade II 3 and the fan blade III 4 are arranged in a staggered mode.

Furthermore, reinforcing ribs 5 of the fan blade I2, the fan blade II 3 and the fan blade III 4 are arranged transversely and longitudinally, the transverse reinforcing ribs 5 are longitudinally arranged inside the fan blade I2, the fan blade II 3 and the fan blade III 4, and the longitudinal reinforcing ribs 5 penetrate through the middle parts of the transverse reinforcing ribs 5.

Further, a fixing clamp 6 for rotating the rotating shaft by the motor is arranged in the middle of the inside of the supporting rotating shaft 1.

The supporting rotating shaft 1 is divided into a front part and a rear part, the rear end supporting rotating shaft 1 is a cone, the front end supporting rotating shaft 1 is a cylinder, the fan blades I2 and the fan blades II 3 are circumferentially distributed and arranged on the surface of the rear end cone of the supporting rotating shaft 1, the blade area of the fan blades I2 is smaller than that of the fan blades II 3, the blade area of the fan blades II 3 is smaller than that of the fan blades III 4, the transverse widths of the fan blades I2, II 3 and III 4 are consistent, the fan blades I2, II 3 and III 4 are arranged in a staggered mode, so that the fan blades I2, II 3 and III 4 can generate a rotating force when rotating, the connection of the fan blades I2, II 3 and III 4 and the supporting rotating shaft 1 can be welding or nut connection, the fan blades III 4 are circumferentially distributed and arranged on the surface of the cylinder at the front end of the supporting rotating shaft 1, and the fan blades I2, II 3 and III 4 are connected with each other parts, The fan blade interface of fan blade II 3, fan blade III 4 is crooked water droplet form, the resistance of this structure cutting wind is less, fan blade I2, fan blade II 3, the inside of fan blade III 4 is cavity, the cavity department is equipped with strengthening rib 5, fan blade I2, fan blade II 3, the strengthening rib 5 of fan blade III 4 is equipped with transversely and vertically, horizontal strengthening rib 5 longitudinal arrangement is in the inside of fan blade I2, fan blade II 3, fan blade III 4, vertical strengthening rib 5 passes the middle part of horizontal strengthening rib 5, the inside middle part of supporting pivot 1 is equipped with the mounting fixture 6 of motor commentaries on classics rotation axis, be used for fixed motor commentaries on classics rotation axis and be used for rotating.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. Fan blade, including supporting pivot (1), fan blade I (2), fan blade II (3), fan blade III (4), its characterized in that support pivot (1) and divide into two parts around, rear end support pivot (1) is the centrum, and front end support pivot (1) is the cylinder, fan blade I (2) and fan blade II (3) become the surface of circumference distribution range at the support pivot (1) rear end centrum, and fan blade III (4) become the surface of circumference distribution range at support pivot (1) front end cylinder, the fan blade interface of fan blade I (2), fan blade II (3), fan blade III (4) is crooked water droplet form, and the inside of fan blade I (2), fan blade II (3), fan blade III (4) is cavity, and cavity department is equipped with strengthening rib (5).

2. The fan blade according to claim 1, wherein the blade area of the fan blade I (2) is smaller than that of the fan blade II (3), and the blade area of the fan blade II (3) is smaller than that of the fan blade III (4).

3. The fan blade according to claim 1, wherein the blade I (2), the blade II (3) and the blade III (4) have the same transverse width.

4. The fan blade according to claim 1, wherein the positions of the blade I (2), the blade II (3) and the blade III (4) are staggered.

5. The fan blade according to claim 1, characterized in that the reinforcing ribs (5) of the fan blade I (2), the fan blade II (3) and the fan blade III (4) are arranged in the transverse direction and the longitudinal direction, the transverse reinforcing ribs (5) are longitudinally arranged inside the fan blade I (2), the fan blade II (3) and the fan blade III (4), and the longitudinal reinforcing ribs (5) penetrate through the middle parts of the transverse reinforcing ribs (5).

6. The fan blade according to claim 1, characterized in that the middle part of the inside of the supporting rotating shaft (1) is provided with a fixing clamp (6) of a motor rotation rotating shaft.